The Fact That When a Deoxyhemoglobin Crystal Is Oxygenated It

question 15

Multiple Choice

The fact that when a deoxyhemoglobin crystal is oxygenated it breaks up into fragments supports the statement that

• A) hemoglobin is a tetramer.
• B) oxyhemoglobin and deoxyhemoglobin have different conformations.
• C) each subunit of hemoglobin has identical oxygen-binding sites.
• D) all subunits of a hemoglobin molecule must have the same conformation at any given time.
• E) each oxygen-binding site of hemoglobin is on a separate subunit.

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